Fluid pump



FIG. 1 is a perspective view of a fluid pump showing my new design;

FIG. 2 is a left side elevational view, the opposite side being a mirror image;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a top plan view. 

The ornamental design for a fluid pump, as shown and described. 